686744-78-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 686744-78-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,6,7,4 and 4 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 686744-78:
(8*6)+(7*8)+(6*6)+(5*7)+(4*4)+(3*4)+(2*7)+(1*8)=225
225 % 10 = 5
So 686744-78-5 is a valid CAS Registry Number.
686744-78-5Relevant articles and documents
A Versatile Chemo-Enzymatic Route to Enantiomerically Pure β-Branched α-Amino Acids
Roff, Geoffrey J.,Lloyd, Richard C.,Turner, Nicholas J.
, p. 4098 - 4099 (2004)
A series of diastereoisomers of β-methyl-β-phenylalanine analogues 1a?f have been prepared in enantiomerically pure form using a combination of chemo- and biocatalysis. Starting from l-threonine methyl ester 2, a range of β,β-disubstituted didehydroamino
